QSC SP-000180-00, 8 Inches Low Frequency Driver for K8

[Music] hi everyone and thanks for tuning in today we have different kind of video plans i have one of our qsc amplifiers on the desk today this is the plx 3102 it's one from the powerlite series from qsc and we're gonna discuss what makes this series unique and the difference between a class a b amplifier a class h amplifier and a class d amplifier so first let's have a look at how most older i think and the most normal amplifiers are made so in normal scenario you have your ac voltage coming in and this goes to a huge transformer which converts the ac line voltage which is uh 120 volts or 230 volts depending on where you're from and this heavy bulky transformer turns it to a lower voltage for the amplifiers for the amplifier section which powers the speakers so this voltage is reduced then it gets turned to dc because your line voltage is ac and you need dc in the amplifier so there's